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Hispanics

...in 152 counties. The county with the largest concentration of Hispanics was Los Angeles county, with more than four million Hispanics; counties with more than one million Hispanics included
Miami-Dade (encompassing Miami) in Florida, Harris (Houston) in Texas, and Cook (Chicago) in Illinois.

...county with the largest population of Hispanics was Los Angeles county, with some 4.7 million Hispanics; counties with more than 1 million Hispanics included Harris county in Texas (1.7 million),
Miami-Dade county in Florida (1.6 million), Cook county in Illinois (1.2 million), and Maricopa county in Arizona (1.1 million).